37results about How to "Help guide" patented technology

The invention discloses a 3D printing bionic porous biological ceramic artificial bone and a preparation method thereof. A porous biological ceramic artificial bone model is designed through a TPMS and CSG combined method, slurry capable of being used for printing is prepared through biological ceramic powder and a binding agent, macropores and micropores are distributed in the porous biological ceramic artificial bone prepared through the combination with the 3D filament-free printing process, the pore diameter of the micropores is smaller than 100 micrometers, the pore diameter of the macropores is 200-800 micrometers, the total porosity is 20% to 80%, the communicating rate between the macropores is not lower than 99%, precise design of porosity, communication and homogeneity in the artificial bone is achieved, and meanwhile good pore communication is ensured. Adopted raw materials have good biocompatibility, entry passageways of cells and tissue fluid are provided by the macropores, the micropores can better adsorb tissue fluid nearby for cell growth, the cell growth speed and the new bone generation speed can be increased by combining the micropores with the marcropores, and application of the porous biological ceramic artificial bone in human body large bone defect repair clinic treatment is facilitated.

The invention discloses a kit used for detecting the polymorphism of genes related to Warfarin and Clopidogrel personalized medication and application thereof. The kit comprises a general chip, a first primer combination and a second primer combination, wherein each primer combination unit in the first primer combination is used for identifying one polymorphism site of the genes related to Warfarin medicine resistance, and each primer combination unit in the second primer combination is used for identifying one polymorphism site of the genes related to Clopidogrel medicine resistance. The kit has the advantages of being high in integration degree, sensitivity, specificity, reliability and operability and wide in application range, detection results are stable, a use method is fast and convenient, and automation of the kit is easy to achieve; the kit can be used for detecting gene mutation, analyzing gene polymorphism and the like and is suitable for gene analysis fields such as mutation detection of clinical diseases, pharmacogenomics analysis and medicolegal expertise.

The invention discloses a campus platform based on professional education informatization. The platform comprises a student information system, a teaching affair management system, an education platform resource system, a teaching evaluation system, a public information system, a database system and a network security module. With the help of the big data processing, network communication, computer programming, artificial intelligence and other technologies, the information sharing inside and outside the campus and between enterprises can be realized; the self-learning and evaluation of students, the teaching effect feedback of teachers and the butt joint of enterprise demands and student skill improvement are facilitated, the development of personalized teaching and guidance is facilitated, the self-improvement of the students is rapidly realized, the comprehensive reception and management of information are facilitated, and the efficiency and quality of campus management are greatlyimproved.

The invention belongs to the technical field of big data management and application, and discloses a water, electricity, gas and heat comprehensive data exception analysis method and system, a storagemedium and a terminal. Energy consumption load prediction, loss monitoring analysis, key area or customer optimal energy consumption analysis and comprehensive energy consumption analysis and strategy are carried out; the energy consumption habits of customers are portrayed in combination with the electricity consumption, the water consumption and the air consumption of the users, the customers are classified and graded according to the portraits of the users, energy consumption load prediction and loss monitoring analysis are carried out on the customers in key areas, and the purpose of refined loss management is achieved while the service efficiency of an energy supply enterprise is improved. An energy consumption client carries out energy consumption management and control through water, electricity, gas and heat consumption monitoring data and an energy consumption condition analysis report provided by an energy supply enterprise, so that the purposes of energy conservation and consumption reduction of the energy consumption client are achieved; public security and inspection departments discover and stop illegal criminal behaviors in advance and solve potential safety hazardsin advance through users with water, electricity, gas and heat abnormal data provided by energy supply enterprises.

The embodiment of the invention discloses a method and a device for generating a lane line image, electronic equipment and a medium. One specific embodiment of the method comprises the steps of obtaining a to-be-detected image; and inputting the to-be-detected image into a pre-trained lane line detection model to generate the lane line image of the to-be-detected image, the lane line detection model being obtained by training the following steps: obtaining a sample set, the sample comprising a sample scene image and a sample lane line image corresponding to the sample scene image, taking the sample scene image of the sample in the sample set as an input, taking the sample lane line image corresponding to the input sample scene image as an expected output, and performing training to obtainthe lane line detection model. According to the embodiment, the lane line can be detected in a complex environment.

The invention relates to the technical field of automotive exhaust purification, in particular to an automotive exhaust purification device which comprises an exhaust purification body connected with an exhaust connecting pipe. The exhaust purification body comprises an anechoic chamber and a secondary purification chamber, an exhaust inlet is formed in the joint of one side of the anechoic chamber and the exhaust connecting pipe, an exhaust outlet is formed in the other side of the anechoic chamber, a primary purification screen is of a double-layer structure and arranged at the exhaust inlet, the double-layer structure is filled with catalytic agents, an anechoic pipe is connected in the anechoic chamber and the exhaust outlet, a supporting pipe is arranged at the other end of the anechoic pipe, a hole is formed in the wall of the supporting pipe, purified cotton is arranged in the secondary purification chamber, and a purification outlet is formed in one side of the secondary purification chamber perpendicular to the anechoic pipe. By the aid of the technical scheme, the automotive exhaust purification device is fine in exhaust purification and anechoic effect.

The invention discloses a track circuit transmission characteristic quantitative evaluation method based on variational mode decomposition. According to the method, locomotive signals or track circuitinduction signals of a dynamic inspection vehicle are collected, transmission characteristics of a track circuit are obtained by using processing methods such as variational mode decomposition and the like, and then the transmission characteristics of the track circuit of each track section of the line are scored by an adaptive scoring function, so that visual quantitative evaluation of the transmission characteristics of the track circuit is completed. The method is good in applicability, and can meet the requirements for evaluating the transmission characteristic performance of the track circuit at present.

The present invention relates to a novel method for determining risk of cardiovascular diseases comprising detecting of MMP-8 and CRP in a sample, and comparing the detected amounts with respective predetermined values of MMP-8 and CRP, wherein the detection of elevated levels of MMP-8 and CRP is indicative of presence or risk of cardiovascular event or disease. The present invention relates alsoto the use of detection of MMP-8 and CRP for predicting a risk for getting a cardiovascular event, for monitoring the effect of therapy on cardiovascular event or on cardiovascular disease, or for detecting the presence of a subclinical cardiovascular disease. Also, a method for constructing a risk prediction model for a presence of CVD disease or a risk of CVD events is presented.

The invention discloses a pupil exercise interaction system. The pupil exercise interaction system comprises exercise distribution, exercise upload and download, exercise receiving, knowledge point analysis, exercise guidance, exercise database and exercise statistics modules. The pupil exercise interaction system can be mounted on a PC or a handset for use. The pupil exercise interaction system is an intercommunication platform of teachers, pupils and parents, can facilitate the teachers and the parents to guide the pupils to do learning exercise and consolidates and improves learning effects of the pupils.

The invention discloses a hydrogel / fibroin nanofiber / neural stem cell integrated transplant capable of promoting VEGF secretion as well as a preparation method and application thereof, and belongs tothe technical field of biological tissue medical engineering. The method comprises the following step: polysaccharide-based hydrogel / neural stem cell gel are adhered to a fibroin nanofiber scaffold through dopamine to form a polysaccharide-based hydrogel / fibroin nanofiber / neural stem cell integrated transplant, wherein the polysaccharide-based hydrogel is a self-healing injectable polysaccharide-based hydrogel. According to the invention, the polysaccharide-based hydrogel embedded with the neural stem cells is adhered to a gap between fibroin nanofiber scaffolds through dopamine to construct the polysaccharide-based hydrogel / fibroin nanofiber / neural stem cells integrated transplant, so that the cells can be promoted to secrete VEGF and fill the defect part, and provide required microenvironment for adhesion, proliferation and directional differentiation of the neural stem cells into neurons, and the neural stem cells can be applied to the field of treatment of cerebral ischemia injuryand promotion of neural stem cell amplification and differentiation.

A cost-effective pack adapted to be distributed from an aircraft in the event of a natural, military, political, or other disaster includes an outer package, at least one item in the outer package for aerial delivery, and at least one aerodynamic component formed on the outer package and methods and systems for making the pack.

The invention discloses a rotation support device for fruit tree plantation. The device includes fixation devices, supporting devices and a supporting snap ring; one ends of the supporting devices areslidingly arranged on the supporting snap ring; the fixation devices are in hinged joint with the end parts of the supporting devices; the supporting snap ring consists of a first snap ring and a second snap ring; the upper surfaces of the first and second snap rings are provided with first annular grooves which have the same size and at the same position; the side walls of the first and second snap rings are provided with second annular grooves which have the same size and at the same position; the bottom of the supporting snap ring is fixedly provided with three supporting columns; the supporting devices consist of first articulated seats, second articulated seats, rotating telescoping rods and supporting rods; the bottoms of the first articulated seats is fixedly provided with first guide rails; the bottoms of the second articulated seats is fixedly provided with second guide rails; and the first guide rails are fastened in the first annular grooves, and the second guide rails arefastened in the second annular grooves. The device is reasonable in structure and complete in function, and therefore, the fixing and supporting functions on fruit tree trunks can be realized, and supporting functions on fruit tree branches can be achieved as well.

The invention relates to an automatic roadbed modulus testing device and a testing method. The automatic roadbed modulus testing device comprises a collision apparatus and a signal acquisition apparatus, the collision apparatus comprises a mounting frame, a first driving mechanism is fixedly connected to the mounting frame, an output shaft of the first driving mechanism is connected with a reel through a clutch, the collision apparatus further comprises a lead mechanism, the mounting frame is fixedly connected with a second driving mechanism for driving the lead mechanism to rotate in a horizontal plane, the lead mechanism comprises a support fixedly connected with an output shaft of the second driving mechanism, a lead rod rotationally assembled on the support and a third driving mechanism driving the lead rod to rotate, a lead groove is formed in the lead rod, a lead wheel is arranged at the end of the lead rod, and the rotating axis of the support perpendicularly intersects with therotating axis of the lead rod. The roadbed testing device is simpler to operate, a steel ball is sequentially located right above seven measuring points by rotating the lead rod, and the roadbed modulus testing efficiency and the automation degree are improved.

The invention discloses a 3D printing bionic porous bioceramic artificial bone and a preparation method thereof. A porous bioceramic artificial bone model is designed by using TPMS combined with CSG, a printable slurry is prepared by using bioceramic powder and a binder, and Combined with the 3D wire-free printing process, the prepared porous bioceramic artificial bone has macropores and micropores distributed inside. The connectivity rate between the pores is not less than 99%, realizing the precise design of the porosity, connectivity and uniformity in the artificial bone, while ensuring good pore connectivity; the raw materials used have good biocompatibility , macropores provide channels for cells and tissue fluid to enter, micropores can better absorb nearby tissue fluid for cell growth, and the combination of micropores and macropores can increase the speed of cell growth and new bone formation, which is helpful for porous bioceramic artificial bone in Application in clinical treatment of large segmental bone defect repair in human body.

The invention discloses a medical data processing system and method. The medical data processing system comprises a data receiving module, a text data processing module, an image data processing module, a text database, an image data server, a client, a data correction module and a data transmission module. According to the invention, detection data from a detection instrument is processed throughthe text data processing module and the image data processing module; the detection data is matched and associated with patient application information from a report generation system, the detectiondata is comprehensively judged and corrected through a data correction module, and finally the corrected detection data is automatically sent to the report generation system; therefore, the manual image detection time is greatly shortened, and the working efficiency is greatly improved; and the problems of misinformation, missing information and the like can be effectively avoided, and the reliability of an image interpretation result is further improved.

The invention relates to a fuel injection valve for injecting fuel into a combustion chamber of an internal combustion engine, having a nozzle needle (1) which is guided, such that it can perform a stroke movement, in a central bore (2) of a nozzle body (3) in order to open up or close off at least one injection opening (4), wherein the nozzle needle (1) interacts, by means of an encircling sealing region (5) formed on the combustion-chamber-side end thereof, with a sealing seat (6) that runs conically and is formed on the combustion-chamber-side end of the nozzle body (3). According to the invention, the sealing seat (6) that runs conically has an opening angle ([alpha]1) of between 30 DEG and 50 DEG , preferably of between 40 DEG and 50 DEG .

The invention provides an electromagnetic clamp which comprises a base, guide rail supports, electromagnetic pedestals, coils, electromagnetic press blocks, an alternating current power source, a monitoring module and an electric wire. Arc guide rails are arranged at the two ends of the base. The arc guide rails are connected with the guide rail supports on the left side and the right side correspondingly. The guide rail supports are connected with the electromagnetic pedestals through sliding guide rails. The electromagnetic press blocks are arranged above the electromagnetic pedestals. The two coils are arranged between the electromagnetic pedestals. The coils are connected with the alternating current power source through the electric wire. The electric wire is further connected with the monitoring module. According to the electromagnetic clamp, the phenomena of bending, turnover and the like generated during machining of a soft plate can be avoided, and machining is facilitated; universal clamping and locating of multiple specifications of plates, right-soft combined plates and the like are achieved; and pressure during clamping can be quantized, different pressures are adoptedfor different plates, real-time monitoring is achieved, and plate integrity is protected against damage.

The invention relates to an automobile exhaust gas purifier. The automobile exhaust gas purifier includes a filtering box (1); the filtering box (1) includes a master pipe (2) positioned on the upper part and two branched slave pipes (5) positioned on the lower part; each slave pipe (5) is successively provided with an exhaust fine tube (4) and a ceramic cellular carrier (3) in the gas flow direction; a hush pipe (7) is arranged in the filtering box (1); and branch pipes (8) are arranged on the hush pipe (7), wherein holes are formed in walls of the branch pipes. According to the automobile exhaust gas purifier, tail gas is transformed into CO2, H2O, N2, and O2 through two-stage filtering of the exhaust fine tube and the ceramic cellular carrier; micro holes formed in partition walls can effectively filter carbon smoke particles in exhaust gas, the carbon smoke particles will be burned under the action of a catalyst coating, and the ceramic cellular carrier possess a regeneration function; the exhaust gas is distributed to the slave pipes from the master pipe, and then the filtering area is increased in a limited space; and the automobile exhaust gas purifier has a good silencing effect.

The invention relates to a tail gas filter with a good black smoke filtering effect. The tail gas filter comprises a filtering tank (1). A first filtering net (2), a first ceramic honeycomb carrier (3), a second ceramic honeycomb carrier (7) and a second filtering net (8) are sequentially arranged in the filtering tank (1) in the air flow direction. A silencing pipe (10) is arranged in the filtering tank (1). Branch pipes (11) with holes formed in the walls are arranged on the silencing pipe (10). According to the tail gas filter with the good black smoke filtering effect, tail gas with main components being CO, HC and NOx is reacted into CO2, H2O, N2 and O2 under four-stage filtration of the first filtering net, the first ceramic honeycomb carrier, the second ceramic honeycomb carrier and the second filtering net, meanwhile, black smoke particles in waste gas can be effectively filtered out through micro holes in a partition wall, the black smoke particles can be burned up under the action of a catalyst coating, and the tail gas purification effect is further improved; and meanwhile the filter is good in silencing effect.

The invention relates to a tail gas filter with a good purifying effect. The tail gas filter comprises a filter box (1), wherein a first filter screen (2), a first ceramic honeycomb carrier (3), a second ceramic honeycomb carrier (7) and a second filter screen (8) are sequentially arranged in the filter box (1) in the gas flow direction, wherein a silencing tube (9) is arranged in the filter box (1); and a branch tube (10) with holes in wall is arranged on the silencing tube (9). According to the tail gas filter with good purifying effect, under four-stage filtration of the first filter screen, the first ceramic honeycomb carrier, the second ceramic honeycomb carrier and the second filter screen, tail gas comprising main components of CO, HC and NOx are converted into CO2, H2O, N2 and O2 through reaction; and meanwhile, micro holes in partition walls can effectively filter black smoke particles in waste gas, and the black smoke particles are combusted under the action of a catalyst coating, so that tail gas purifying effect is further improved; and meanwhile, the filter has a good silencing effect.

The embodiment of the invention discloses a method for simultaneously detecting a plurality of polypeptide drugs in an egg, which comprises the steps of: mixing a mixed solution composed of methanol,acetonitrile and formic acid with an egg sample; performing centrifugation to obtain a supernatant containing an object to be detected; purifying the supernatant containing the object to be detected by a Qasis PRiME HLB solid phase extraction column; collecting a liquid; and after drying and re-dissolving, detecting the type and the content of the object to be detected in the filtered filtrate byliquid chromatography mass spectrometry. In the embodiment of the invention, the test sample is extracted by using the mixed solution composed of methanol, acetonitrile and 1% formic acid as an extracting agent, thereby effectively precipitating the protein, releasing the bonded residue and extracting the target drug. Then, the Qasis PRiME HLB solid phase extraction column is used to remove fats and phospholipids by a purification process. The extraction method has high extraction efficiency, short pretreatment time, a good purification effect and a high recovery rate.

The invention relates to a noise-reducing tail gas filter. The noise-reducing tail gas filter comprises a filter box (1), a fire extinguisher (7) and a silencer (8). A filter screen (2) and a ceramic honeycomb carrier (3) are arranged in the filter box (1), a silencing tube (9) is arranged in the filter box (1), and a branch tube (10) with holes on the wall is arranged on the silencing tube (9). According to the noise-reducing tail gas filter provided by the invention, firstly, under the action of the silencer and the fire extinguisher, noise is reduced and the fire is extinguished; then acidic components in the tail gas are eliminated by means of sodium carbonate water mist; and finally, under two-stage filtration of the filter screen and the ceramic honeycomb carrier, tail gas, the main components of which are CO, HC and NOx, is reacted to form CO2, H2O, N2 and O2, and meanwhile, micropores in the isolating walls can effectively filter black smoke particles which can be combusted under the action of a catalyst coating, so that the tail gas purifying effect is further improved; and meanwhile, the filter is good in silencing effect.

The invention relates to an exhausted gas filter, which comprises a filter box (1). A purifier (2) and a ceramic honeycomb carrier (3) are arranged in the filter box (1), a hush pipe (7) is arranged in the filter box (1), and a branch pipe (8) with pores in the wall is arranged on the hush pipe (7). Through the two-stage filtration of the ceramic honeycomb carrier and the purifier, the exhausted gas filter makes the exhausted gas with CO, HC and NOx as major components react into CO2, H2O, N2 and O2, meanwhile, the micropores at the adjoining wall can effectively filter out black smoke particles in the exhausted gas, the black smoke particles are burned off under the effect of catalyst coating, and the effect of exhausted gas purification is further improved; meanwhile, the filter is good in noise reduction effect.

The invention relates to a melt-spinning device for the manufacture of synthetic yarns, having a plurality of spinning positions. Each spinning position has a spinning nozzle unit, a cooling unit, a guide disc unit and a winding unit. An automatic handling unit is provided for joining the yarn at the spinning positions, which can be guided to each spinning position for joining the yarn. In order to obtain a reliable guidance and precise positioning for engaging the yarn, according to the invention, the guiding device is formed by a suspended track on which the automatic operating unit is guided, wherein the automatic operating unit is in a positionally fixed manner in the spinning position It is held in the suspended track by a controllable locking mechanism.

The invention relates to a special welding machine sealing plate for workpiece welding. The special welding machine sealing plate for workpiece welding comprises a body, wherein guide pillar holes are formed in the periphery of the body, guide grooves are formed in two sides of the body, a plurality of positioning grooves are formed in two sides of each guide groove, a large insulating plate and a small insulating plate are arranged at the upper end and the lower end of the body respectively and are each provided with a fixing sleeve, and each fixing sleeve is provided with an installation hole. The guide pillar holes are arranged, so that an operator installs the body to a guide pillar of a fixing device conveniently, lateral positioning of the body is facilitated by arranging the multiple positioning grooves, the guide function of the body is facilitated by arranging the guide grooves, the contact area of the installation holes and fixing pillars is enlarged by arranging the fixing sleeves of which the height is larger than the thickness of the body, the fixing effect is improved, and the special welding machine sealing plate for workpiece welding is simple in structure, convenient to operate, economical and practical.

The invention discloses a biomarker for detecting autoantibodies with characteristics of different syndromes of hashimoto thyroiditis and application of the biomarker. The biomarker is at least one of related autoantibodies of MAP9, IRF9, PLEKHO2, NPM3, DR1, KDM1A, PCGF2, GPCPD1 and IGBP1. The biomarkers for detecting the characteristic autoantibody of the hashimoto thyroiditis liver qi stagnation syndrome are two related autoantibodies, namely MAP9 and IRF9; the biomarkers for detecting the characteristic autoantibody of the syndrome of fire excess from yin deficiency of hashimoto thyroiditis are two related autoantibodies, namely PLEKHO2 and NPM3; the biomarkers for detecting the characteristic autoantibodies of the spleen-kidney yang deficiency syndrome of hashimoto thyroiditis are five related autoantibodies, namely, DR1, KDM1A, PCGF2, GPCPD1 and IGBP1. The serum-related autoantibody markers can reflect the syndrome characteristics of hashimoto thyroiditis, so that the traditional Chinese medicine differentiation is accurate, and the syndrome essence and molecular connotation of hashimoto thyroiditis can be disclosed.

The invention discloses a method for determining regional position of a terminal device and an OTA server. The position information of the terminal device is obtained by the OTA server; therefore product supply and inventory management are guided conveniently. The method comprises: after the OTA server receives the version searching request sent by the terminal device, obtaining an IP address from the version searching request; determining the regional position information corresponding to the IP address according to the corresponding relation of an preset IP address and the regional position information; and storing the regional position information of the terminal device. Because the OTA server can determine the regional position of any one terminal device according to the preset IP address and the regional position information, the sales region corresponding to the terminal device can be known according to the regional position information of the terminal device, further the product supply and inventory management are guided conveniently.

The invention belongs to the technical field of building materials, and particularly provides a raw bamboo column assembly. The raw bamboo column assembly comprises a joint column, a connecting sleeve and a raw bamboo column, wherein the joint column extends in the first direction, first fixing pieces which are uniformly distributed in the circumferential direction of the joint column are arranged on the side wall of the joint column, and first gaps extending in the first direction are formed in the ends, away from the joint column, of the first fixing pieces; one end of the connecting sleeve is connected with the two ends of the joint column, and an opening is formed in the end, away from the joint column, of the connecting sleeve; and the raw bamboo column comprises at least one raw bamboo rod, the raw bamboo rods extend in the first direction, and one of the ends of the raw bamboo rods enters the opening and is fixedly connected with the connecting sleeve. According to the design of the technical scheme, the connecting sleeve is connected to the raw bamboo column in a matched mode, so that the raw bamboo column is conveniently connected with the joint column, the strength of the joint can be ensured, meanwhile, the mechanical property advantages of raw bamboo are fully exerted, and the raw bamboo column assembly can be applied to assembly construction of raw bamboo beam column joints.

The invention discloses a method for quantitatively evaluating transmission characteristics of track circuits based on variational mode decomposition. The present invention collects the locomotive signal or the track circuit induction signal of the moving inspection car, uses variational mode decomposition and other processing methods to obtain the transmission characteristics of the track circuit, and then scores the track with an adaptive scoring function to complete the track of each track section of the line Intuitive quantitative evaluation of circuit transfer characteristics. The invention has good applicability and can meet the current demand for performance evaluation of transmission characteristics of track circuits.